1. When you choose a dish you don't like, you can delete it from the menu by clicking the "-"sign on the right side of the dish. At the same time, if you order the "+"sign on the right side of the dish, the system will order two dishes for you by default, and so on.
2. The second method is to click on the area at the bottom of the page, and all the dishes you ordered will appear. You can also add or delete dishes by clicking+or-.
If you don't want any of the above menus, you can click "Empty Shopping Cart", empty all the dishes you ordered, and then choose the dishes you like.